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Dylan Frost
5
NVMe write performance is excellent. Big improvement for transactional workloads.
736936-B21
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HP 400GB NVME PCIE WRITE INTENSIVE SFF 2.5-IN SC2 SOLID
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736936-B21
- Description:
- HP 400GB NVME PCIE WRITE INTENSIVE SFF 2.5-IN SC2 SOLID
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- Hpe
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736936-B21 Overview
736936-B21 is a high-performance HDD engineered for enterprise storage applications. It features a 3.5-inch form factor with a SATA III interface, delivering a reliable 7200 RPM spindle speed, 4 TB of capacity, and a substantial 256 MB cache, while its robust MTBF supports continuous operation under heavy loads.
This drive is optimized for demanding use cases in data centers, desktops, NAS, and surveillance environments. With power consumption ratings of 9 Watts during read/write and 5 Watts at idle, along with advanced attributes like a helium-sealed design, vibration protection, and dual actuator technology, 736936-B21 meets mission-critical performance and reliability requirements.
736936-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 736936-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
736936-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Enterprise Storage
- Interface
- SATA III
- Form Factor
- 3.5-inch
- Storage Capacity
- 4 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 256 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 210 MB/s
- Annual Workload Rating
- 550 TB/yr
- Power Consumption (Read/Write)
- 9 Watts
- Power Consumption (Idle)
- 5 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- 736936-B21 Enterprise HDD
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.01 inches
- Weight
- 2.2 lbs
736936-B21 Use Case
Real-Time Financial Transaction Logging
A global investment bank integrates the HP 736936-B21 400GB NVMe PCIe Write-Intensive SSD into its trading platform’s transaction log tier. The drive sustains consistent sub-millisecond write latency under heavy parallel loads, ensuring every trade order and market feed is captured instantly. Outcome: guaranteed data integrity for regulatory audits, zero trading downtime, and a 30% reduction in write-queue bottlenecks during peak market hours.
Enterprise VDI Boot-Storm Mitigation
A multinational corporation deploys the 736936-B21 HP 400GB NVMe SSD across its VMware Horizon virtual desktop infrastructure to address slow logon times during office hours. By hosting user profile disks and write-intensive swap files on these drives, the environment handles simultaneous boot requests without performance degradation. Outcome: 70% faster desktop readiness, 40% lower storage IOPS footprint, and a marked increase in end-user satisfaction.
AI/ML Checkpoint and Logging Acceleration
A software-as-a-service provider leverages the HP 400GB NVMe PCIe Write-Intensive SSD for intensive model training workflows and continuous checkpointing in a Kubernetes cluster. High sustained write throughput and enterprise-grade endurance allow rapid iteration on large neural networks without drive wear-out. Outcome: 2× faster experiment cycles, predictable drive lifespans under 50 DWPD workloads, and reliable recovery in multi-node distributed training environments.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 736936-B21 |  765464-B21 |  652589-B21 |  870753-B21 |  K2P93B | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 10 TB | 4 TB | 4 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 9 Watts | 8 Watts | 8 Watts | 7.5 Watts | 8.5 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 6 Watts | 3.5 Watts | 5.2 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | No | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 736936-B21 Enterprise HDD | 765464-B21 Enterprise HDD | 652589-B21 Enterprise 4TB HDD | 870753-B21 | K2P93B HDD |
| Height | 1.03 inches | 1.043 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 4.0 inches | 5.79 inches | 5.78 inches | 5.79 inches |
| Depth | 4.01 inches | 5.78 inches | 4.01 inches | 8.66 inches | 4.00 inches |
| Weight | 2.2 lbs | 2.2 lbs | 1.5 lbs | 2.2 lbs | 2.20 lbs |
Reviews & Ratings
S
Sana Malik
5
Low latency and very responsive.
E
Erik Lund
5
Stable NVMe behavior under heavy writes.
F
Fahad Amin
5
Ideal for latency-sensitive applications.
C
Connor Webb
5
High-performing NVMe SSD for enterprise use.
Questions & Answers
What is the storage capacity of the HP 736936-B21 NVMe SSD?
The HP 736936-B21 NVMe SSD delivers 400GB of high-performance, enterprise-grade flash storage.
Which interface does the HP 736936-B21 use?
It uses the PCIe 3.0 x4 NVMe interface for ultra-low latency and high throughput.
What form factor is the HP 736936-B21 SSD?
This drive comes in a 2.5-inch small-form-factor (SFF) with a U.2 connector for easy server integration.
Is the HP 736936-B21 optimized for specific workloads?
Yes; it’s designed for write-intensive applications such as online transaction processing, caching, and logging.